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Finding the Fourth Proportional to 524,115.40, 784,358.70 and 313,904.20

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Solution

The fourth proportional to 524,115.40, 784,358.70 and 313,904.20 is: 469,769.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,115.40 : 784,358.70 = 313,904.20 : x
  2. Step 2: Convert to fraction form
    524,115.40/784,358.70 = 313,904.20/x
  3. Step 3: Cross multiply
    524,115.40x = 784,358.70 × 313,904.20
  4. Step 4: Simplify right side
    524,115.40x = 246,213,490,236.54
  5. Step 5: Solve for x
    x = 246,213,490,236.54/524,115.40
  6. Step 6: Final answer
    x = 469,769.62

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